Newmarket, Ontario, Canada Air Quality

Monitoring Station · Newmarket, Canada
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
42 1pm
34
40
46 4pm
40
40
40 7pm
40
40
40 10pm
40
40
42 1am
42
49
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
34
46
CAMS model adj +15
27
25
25
25
25
25
25
25
25
25
25
25
27
27
34

Air Quality Forecast (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Newmarket, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
34
Newmarket, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
35
NASA GSFC Rutgers Calib. N15
31.6 km PM2.5: 8.4 µg/m³

Nearby Cities

32 Newmarket 32 Aurora 32 East Gwillimbury 32 Whitchurch-Stouffville 28 Richmond Hill 27 Stouffville 29 Keswick 28 Vaughan 23 Markham

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T16:57 UTC.